Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

10 hosts · 246 ms

HostCertsFirst seenLast seen
bitlending.jp 2 2026-04-15 2026-10-02
*.bitlending.jp 1 2025-11-26 2025-11-26
www2.bitlending.jp 10 2026-04-28 2026-09-25
*.eole.bitlending.jp 1 2025-12-03 2025-12-03
aif.bitlending.jp 1 2025-11-12 2025-11-12
aif-stg.bitlending.jp 1 2025-11-12 2025-11-12
redash.bitlending.jp 1 2025-09-19 2025-09-19
admin-demo.bitlending.jp 1 2025-07-18 2025-07-18
user-demo.bitlending.jp 1 2025-07-18 2025-07-18
www.bitlending.jp 2 2026-04-15 2026-10-02

Programmatic access: API GET /v1/hosts/bitlending.jp (API key for paging).

Shown here: hostnames with a certificate that is valid now or expired within the last 90 days. The full history since 2013 — hostnames whose last certificate expired earlier — is a Pro plan method: GET /v1/hosts-history/bitlending.jp.